Which sites block AI agents?

Name: Company policies on consumer AI agents
License: https://creativecommons.org/licenses/by-nc/4.0/

What each company's site says to the AI agents people send to shop, book and bank for them.

4 companies

Company	Verdict	By agent	Last checked	Actions
Airbnbairbnb.com, Travel	ConditionalCovers 1 of 5 agents	Conditional: ChatGPT	23h ago	Submit correction
Booking.combooking.com, Travel	BlockedConfirmed	Company-wide statement only	21h ago	Submit correction
Travelokatraveloka.com, Travel	AllowedCovers 3 of 5 agents	Allowed: ChatGPT, Claude, Perplexity	17h ago	Submit correction
Tripadvisortripadvisor.com, Travel	ConditionalCovers 1 of 5 agents	Conditional: ChatGPT	17h ago	Submit correction

An agent that is not listed has no data, which does not mean it is allowed. Italic names are agents whose vendors say they may ignore robots.txt, so those rules show the site's preference rather than enforcement.